Home / 7,482.40-11,227.68-3,586.24

Finding the Fourth Proportional to 7,482.40, 11,227.68 and 3,586.24

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Solution

The fourth proportional to 7,482.40, 11,227.68 and 3,586.24 is: 5,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.40 : 11,227.68 = 3,586.24 : x
  2. Step 2: Convert to fraction form
    7,482.40/11,227.68 = 3,586.24/x
  3. Step 3: Cross multiply
    7,482.40x = 11,227.68 × 3,586.24
  4. Step 4: Simplify right side
    7,482.40x = 40,265,155.12
  5. Step 5: Solve for x
    x = 40,265,155.12/7,482.40
  6. Step 6: Final answer
    x = 5,381.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.